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=begin
locale_object.rb - Locale::Object
Copyright (C) 2006 Masao Mutoh
You may redistribute it and/or modify it under the same
license terms as Ruby.
$Id: locale_object.rb,v 1.8 2006/06/11 15:36:20 mutoh Exp $
=end
module Locale
class Object
attr_accessor :language, :country, :charset, :script, :variant, :modifier, :orig_str
# Parse POSIX or RFC 3066 style locale name to Array.
#
# * locale_name: locale name as String
#
# * Basic POSIX format: <language>_<COUNTRY>.<charset>@<modifier>
# * Both of POSIX and C are converted to "en".
# * Basic RFC3066 format: <language>-<COUNTRY>
# * Win32 format: <language>-<COUNTRY>-<Script>_<sort order>
# * CLDR format: <language>_<Script>_<COUNTRY>_<variant>@<modifier>
# * Some broken format: <language>_<country>_<script> # Don't use this.
# * The max locale format is below:
# * <language>-<COUNTRY>-<Script>_<sort order>.<charset>@<modifier>
# * format: <language>_<Script>_<COUNTRY>_<variant>@<modifier>
# * both of '-' and '_' are separators.
# * each elements are omittable.
#
# (e.g.) uz-UZ-Latn, ja_JP.eucJP, wa_BE.iso885915@euro
# * Returns: [language, country, charset, script, modifier]
# * language: a lowercase ISO 639(or 639-2/T) language code.
# * country: an uppercase ISO 3166-1 country/region identifier.
# * charset: charset(codeset) (no standard)
# * script: an initial-uppercase ISO 15924 script code.
# * variant: variant value in CLDR or sort order in Win32.
# * modifier: (no standard)
#
# (e.g.)
# "ja_JP.eucJP" => ["ja", "JP", "eucJP", nil, nil]
# "ja-jp.utf-8" => ["ja", "JP", "utf-8", nil, nil]
# "ja-jp" => ["ja", "JP", nil, nil, nil]
# "ja" => ["ja", nil, nil, nil, nil]
# "uz@Latn" => ["uz", nil, nil, nil, "Latn"]
# "uz-UZ-Latn" => ["uz", "UZ", nil, "Latn", nil]
# "uz_UZ_Latn" => ["uz", "UZ", nil, "Latn", nil]
# "wa_BE.iso885915@euro" => ["wa", "BE", "iso885915", nil, "euro"]
# "C" => ["en", nil, nil, nil, nil]
# "POSIX" => ["en", nil, nil, nil, nil]
# "zh_Hant" => ["zh", nil, nil, "Hant", nil]
# "zh_Hant_HK" => ["zh", "HK", nil, "Hant", nil]
# "de_DE@collation=phonebook,currency=DDM" => ["de", "DE", nil, nil, "collation=phonebook,currency=DDM"]
def self.parse(locale_name)
lang_charset, modifier = locale_name.split(/@/)
lang, charset = lang_charset.split(/\./)
language, country, script, variant = lang.gsub(/_/, "-").split('-')
language = language ? language.downcase : nil
language = "en" if language == "c" || language == "posix"
if country
if country =~ /[A-Z][a-z]+/ #Latn => script
tmp = script
script = country
if tmp =~ /[A-Z]+/ # US => country
country = tmp
else
country = nil
variant = tmp
end
else
country = country.upcase
if script !~ /[A-Z][a-z]+/ #Latn => script
variant = script
script = nil
end
end
end
[language, country, charset, script, variant, modifier]
end
# Initialize Locale::Object.
# * language_or_locale_name: language(ISO 639) or POSIX or RFC3066 style locale name
# * country: an uppercase ISO 3166-1 country/region identifier, or nil
# * charset: charset(codeset) (no standard), or nil
#
# Locale::Object.new("ja", "JP", "eucJP")
# -> language = "ja", country = "JP", charset = "eucJP".
# Locale::Object.new("ja", "JP")
# -> language = "ja", country = "JP", charset = nil.
# Locale::Object.new("ja_JP.eucJP")
# -> language = "ja", country = "JP", charset = "eucJP".
# Locale::Object.new("ja_JP.eucJP", nil, "UTF-8")
# -> language = "ja", country = "JP", charset = "UTF-8".
# Locale::Object.new("en-US", "CA")
# -> language = "en", country = "CA", charset = nil.
# Locale::Object.new("uz-uz-latn")
# -> language = "uz", country = "UZ", charset = nil, script = "Latn"
# Locale::Object.new("uz_UZ_Latn")
# -> language = "uz", country = "UZ", charset = nil, script = "Latn"
# Locale::Object.new("we_BE.iso885915@euro")
# -> language = "we", country = "BE", charset = "iso885915", modifier = "euroo".
# Locale::Object.new("C")
# -> language = "en", country = nil, charset = nil.
# Locale::Object.new("POSIX")
# -> language = "en", country = nil, charset = nil.
def initialize(language_or_locale_name, country = nil, charset = nil)
@orig_str = language_or_locale_name
@language, @country, @charset, @script, @variant, @modifier =
self.class.parse(language_or_locale_name)
@country = country if country
@charset = charset if charset
end
# Returns the locale as POSIX format(but charset is ignored). (e.g.) "ja_JP"
def to_posix
ret = @language
ret += "_#{@country}" if @country
ret
end
# Returns the locale as ISO3066 format. (e.g.) "ja-JP"
def to_iso3066
ret = @language
ret += "-#{@country}" if @country
ret
end
# Returns the locale as Win32 format. (e.g.) "az-AZ-Latn".
#
# This is used to find the charset from locale table.
def to_win
ret = @language
ret += "-#{@country}" if @country
ret += "-#{@script}" if @script
ret
end
# Returns the locale as 'ruby' general format. (e.g.) "az_AZ_Latn"
def to_general
ret = @language
ret += "_#{@country}" if @country
ret += "_#{@script}" if @script
ret
end
# Gets the locale informations as an Array.
# * Returns [language, country, charset, script, variant, modifier]
# * language: a lowercase ISO 639(or 639-2/T) language code.
# * country: an uppercase ISO 3166-1 country/region identifier.
# * charset: charset(codeset) (no standard)
# * script: an initial-uppercase ISO 15924 script code.
# * variant: variant value in CLDR or sort order in Win32.
# * modifier: (no standard)
def to_a
[@language, @country, @charset, @script, @variant, @modifier]
end
def ==(other) #:nodoc:
other != nil and
@language == other.language and @country == other.country and
@charset == other.charset and @script == other.script and
@variant == other.variant and @modifier == other.modifier and
@charset == other.charset
end
def eql?(other) #:nodoc:
self.==(other)
end
def hash #:nodoc:
"#{self.class}:#{to_general}.#{@charset}@#{modifier}".hash
end
alias :to_s :to_posix
alias :to_str :to_posix
end
end
|
